Finding the Third Proportional to 12,826.50 and 26,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826.50 : 26,671.50 = 26,671.50 : x
2. Step 2: Convert to fraction form
   12,826.50/26,671.50 = 26,671.50/x
3. Step 3: Cross multiply
   12,826.50x = 26,671.50 × 26,671.50
4. Step 4: Simplify right side
   12,826.50x = 711,368,912.25
5. Step 5: Solve for x
   x = 711,368,912.25/12,826.50
6. Step 6: Final answer
   x = 55,460.87